GitLab

Protection against closing dirty abstractions
closing and quitting doesn't query if everyone is clean
(but "pd perf" message turns that protection back on for performances)
ctrl-1, etc, automatically place new object under a selected one and
connect to it
return when editing an object (not a message or comment) deactivates text

working on new dialog windows
updates to 14.partialtracer and sigmund~

multiple selection.  Fixed 2-pixel growth problem on Mac.
Made a "version" message so Pd can detect future file formats
if they ever appear.